Home / Standards / GB/T 44259-2024 GB/T 44259-2024 Active Earth-moving machinery—Battery electric hydraulic excavator for plateau tunnels 土方机械 高原隧道用纯电动液压挖掘机 Standard Type GBT ICS 53.100 CCS P97 Status 现行 Issue Date 2024-07-24 Implementation 2024-07-24 Responsible Dept 中国机械工业联合会 Drafting Unit N/A